A Manual of Practical AssayingLongmans, Green, and Company, 1868 - 697 páginas |
Dentro del libro
Resultados 1-5 de 100
Página 2
... readily , and exhaling when burning a peculiar and suffo- cating odour . The other constituent of the pyrites is iron , a well - known metallic substance , requiring an intense heat for fusion , and becoming red - hot without burning ...
... readily , and exhaling when burning a peculiar and suffo- cating odour . The other constituent of the pyrites is iron , a well - known metallic substance , requiring an intense heat for fusion , and becoming red - hot without burning ...
Página 7
... readily found by adding together the equivalent of the elements forming nitric acid and oxide of lead . Thus , nitric acid is composed of 14 nitrogen and five equivalents of oxygen , or 40 , together 54 ; oxide of lead of 103.5 of lead ...
... readily found by adding together the equivalent of the elements forming nitric acid and oxide of lead . Thus , nitric acid is composed of 14 nitrogen and five equivalents of oxygen , or 40 , together 54 ; oxide of lead of 103.5 of lead ...
Página 14
... readily capable of pulverisation , strictly so called . In the use of the iron mortar , all friction with the pestle ought to be avoided , and the body within it must be struck repeatedly and lightly , in a vertical direction , taking ...
... readily capable of pulverisation , strictly so called . In the use of the iron mortar , all friction with the pestle ought to be avoided , and the body within it must be struck repeatedly and lightly , in a vertical direction , taking ...
Página 15
... readily pulverised than cold . In some instances the powder obtained in the iron or porcelain mortar is not fine enough ; recourse should then be had to the agate mortar , in which the mineral , in as fine a state of division as the ...
... readily pulverised than cold . In some instances the powder obtained in the iron or porcelain mortar is not fine enough ; recourse should then be had to the agate mortar , in which the mineral , in as fine a state of division as the ...
Página 17
... readily extemporised . Place the powder to be sifted in a piece of fine lawn , or muslin , according to the fineness required , tie it up loosely , and shake or tap the powder , with its muslin or other envelope , on a sheet of paper ...
... readily extemporised . Place the powder to be sifted in a piece of fine lawn , or muslin , according to the fineness required , tie it up loosely , and shake or tap the powder , with its muslin or other envelope , on a sheet of paper ...
Contenido
1 | |
9 | |
12 | |
18 | |
32 | |
38 | |
40 | |
46 | |
407 | |
413 | |
425 | |
434 | |
441 | |
451 | |
453 | |
460 | |
52 | |
63 | |
69 | |
71 | |
77 | |
81 | |
103 | |
107 | |
119 | |
128 | |
135 | |
138 | |
145 | |
148 | |
183 | |
193 | |
224 | |
238 | |
250 | |
251 | |
268 | |
275 | |
281 | |
297 | |
369 | |
373 | |
390 | |
397 | |
404 | |
466 | |
475 | |
486 | |
492 | |
525 | |
546 | |
556 | |
563 | |
569 | |
576 | |
592 | |
595 | |
602 | |
612 | |
618 | |
624 | |
641 | |
650 | |
653 | |
662 | |
668 | |
674 | |
676 | |
682 | |
689 | |
700 | |
700 | |
700 | |
Otras ediciones - Ver todas
Términos y frases comunes
added alloy ammonia amount antimony aqua regia arsenic ascertained assay bismuth black flux blowpipe boiling borax button calcined carats carbonate of soda carbonic acid cent charcoal chloride of silver clay cobalt colour combustion containing cooling copper Crown 8vo crucible cubic cubic centimetres cupel decomposed dilute dissolved Edition employed excess filter flame flask fluid fuel furnace fused fusible fusion gives glass globule gold grains grammes heat hydrochloric acid ignited inches iron lime liquid litharge manganese matter melted mercury metal method mineral mixed mixture muffle nickel nitrate nitric acid normal solution obtained operation Ounce oxide oxide of lead oxidising oxygen permanganate peroxide pipette placed plate platinum potash potassium powder precipitate produced proportion protoxide pulverised pure readily reduced roasting salt silica slag small quantity sodium specific gravity substance sulphate of lead sulphide sulphuric acid temperature thousandths tion tube vessel washed weight Woodcuts zinc
Pasajes populares
Página 1 - An Outline of the Necessary Laws of Thought : a Treatise on Pure and Applied Logic. By the Most Rev. W. THOMSON, DD Archbishop of York.
Página 1 - Additions. 4 vols. 4to. price £7. Thesaurus of English Words and Phrases, classified and arranged so as to facilitate the expression of Ideas, and assist in Literary Composition. By PM ROOET, MD New Edition.
Página 4 - The Diagnosis, Pathology, and Treatment of Diseases of Women ; including the Diagnosis of Pregnancy. By GRAILY HEWITT, MD &c. President of the Obstetrical Society of London. Second Edition, enlarged; with 116 Woodcut Illustrations. 8vo. 24s. Lectures on the Diseases of Infancy and Childhood. By CHARLES WEST, MD &c.
Página 11 - HOMES WITHOUT HANDS ; a Description of the Habitations of Animals, classed according to their Principle of Construction.
Página 8 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.
Página 5 - World: a Popular Description of Man and Nature in the Arctic and Antarctic Regions of the Globe. By the same Author.
Página 6 - Lectures on the Diseases of Infancy and Childhood. By CHARLES WEST, MD". &c. Fifth Edition" 8vo. 16s. On the Surgical Treatment of Children's Diseases. By T. HOLMES, MA &c. late Surgeon to the Hospital for Sick Children. Second Edition, with 9 Plates and 112 Woodcuts. 8vo. 21s. A System of Surgery, Theoretical and Practical, in Treatises by Various Authors.
Página 15 - The Dead Shot, or Sportsman's Complete Guide ; a Treatise on the Use of the Gun, Dog-breaking, Pigeon-shooting, &c. By MARKSMAN. Fcp. with Plates, 5s. A Book on Angling: being a Complete Treatise on the Art of Angling in every branch, including full Illustrated Lists of Salmon Flies. By FRANCIS FRANCIS.
Página 11 - PRINCIPLES of EDUCATION Drawn from Nature and Revelation, and applied to Female Education in the Upper Classes. By the Author of
Página lvii - A Dictionary of Practical Medicine : Comprising General Pathology, the Nature and Treatment of Diseases, Morbid Structures, and the Disorders especially incidental to Climates, to Sex, and to the different Epochs of Life ; with numerous approved Formulae of the Medicines recommended.